Mercruiser Alpha One Gen 1 Water pump impeller for Mercruiser Alpha One Gen 1 Sterndrives from 1983 to 1990.
Fits: R, MR, Alpha One (Gen 1) Sterndrives. Drive number 6854393 thru 0D469858
Alpha 1 SS (high performance) 1986-1989. Drive number 0A953232 thru 0A953245
Mercury and Mariner Outboards 65HP (4 cyl) through V6 with short vane impellers.
Mercruiser MC-I 249518 & Later
Mercruiser MR/ Alpha One 6854393 - 0D469858
Quicksilver Part Number: 47-89984T4
